參數(shù)資料
型號: μPD784214
廠商: NEC Corp.
英文描述: 8/16 Bit Single Chip Microcontrollers(8/16 位單片微控制器)
中文描述: 8 / 16位單片機(jī)微控制器(8 / 16位單片微控制器)
文件頁數(shù): 47/88頁
文件大?。?/td> 427K
代理商: ΜPD784214
μ
PD784214,784215,784216
47
8.2 Vectored Interrupt
Execution branches to a servicing routine by using the memory contents of a vector table address corresponding
to the interrupt source as the address of the branch destination.
So that the CPU performs interrupt servicing, the following operations are performed:
On branching: Saves the status of the CPU (contents of PC and PSW) to stack
On returning:
Restores the status of the CPU (contents of PC and PSW) from stack
To return to the main routine from an interrupt service routine, the RETI instruction is used.
The branch destination address is in a range of 0 to FFFFH.
Table 8-3. Vector Table Address
Interrupt Source
Vector Table Address
Interrupt Source
Vector Table Address
BRK instruction
003EH
INTSER2
001EH
TRAP0 (operand error)
003CH
INSR2
0020H
NMI
0002H
INTCSI2
INTWDT (non-maskable)
0004H
INTST2
0022H
INTWDTM (maskable)
0006H
INTTM3
0024H
INTP0
0008H
INTTM00
0026H
INTP1
000AH
INTTM01
0028H
INTP2
000CH
INTTM1
002AH
INTP3
000EH
INTTM2
002CH
INTP4
0010H
INTAD
002EH
INTP5
0012H
INTTM5
0030H
INTP6
0014H
INTTM6
0032H
INTCSI0
0016H
INTTM7
0034H
INTSER1
0018H
INTTM8
0036H
INTSR1
001AH
INTWT
0038H
INTCSI1
INTKR
003AH
INTST1
001CH
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